The idea that UIs will be generated on the fly seems to me to be the classic case of a solution in search of a problem.
I get it's cool that it's even possible, but how would an improvised UI beat a thoughtfully designed one?
The latter has the benefit of the same AI human review and time (analytics, trial and error, etc.).
Eric Schmidt says traditional user interfaces are going to go away.
The WIMP model (windows, icons, menus, pull-downs) was built 50 years ago.
In the age of agents, UI becomes ephemeral. Generated on demand, shaped by intent, not layout.